package com.stream.utils;

import java.util.HashMap;
import java.util.Map;

/**
 * 返回数据
 * Created by yebaokang on 2017/5/16.
 */
public class R extends HashMap<String, Object> {

    private static final long serialiVesionUID = 1L;

    public R(){
        put("code", 0);
    }

    public static R error(){
        return error(500, "未知错误，请联系系统管理员");
    }

    public static R error(String msg){
        return error(500, msg);
    }
    public static R error(int code, String msg){
        R r = new R();
        r.put("code", code);
        r.put("msg", msg);

        return r;
    }

    public static R ok(String  msg){
        R r = new R();
        r.put("msg", msg);

        return r;
    }

    public static R ok(Map<String, Object> param){
        R r = new R();
        r.putAll(param);

        return r;
    }

    public static R ok(){
        R r = new R();

        return r;
    }

    public R put(String key, Object value){
        super.put(key, value);
        return this;
    }
}
